package com.vexeonline.utils;

import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.boot.registry.internal.StandardServiceRegistryImpl;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

public class HibernateUtil {

	private static final SessionFactory sessionFactory = buildSessionFactory();

	private static ServiceRegistry serviceRegistry;

	private HibernateUtil() {

	}

	private static SessionFactory buildSessionFactory() {
		try {
			Configuration configuration = new Configuration();
			configuration.configure("hibernate.cfg.xml");

			serviceRegistry = new StandardServiceRegistryBuilder()
					.applySettings(configuration.getProperties()).build();
			return configuration.buildSessionFactory(serviceRegistry);
		} catch (Throwable ex) {
			// Make sure you log the exception, as it might be swallowed
			System.err.println("Initial SessionFactory creation failed." + ex);
			throw new ExceptionInInitializerError(ex);
		}
	}

	public static SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public static void close() {
		((StandardServiceRegistryImpl) serviceRegistry).destroy();
	}
}